6878567 has 2 divisors, whose sum is σ = 6878568. Its totient is φ = 6878566.

The previous prime is 6878533. The next prime is 6878569. The reversal of 6878567 is 7658786.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6878567 - 2¹⁶ = 6813031 is a prime.

Together with 6878569, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6878569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3439283 + 3439284.

It is an arithmetic number, because the mean of its divisors is an integer number (3439284).

Almost surely, 2^6878567 is an apocalyptic number.

6878567 is a deficient number, since it is larger than the sum of its proper divisors (1).

6878567 is an equidigital number, since it uses as much as digits as its factorization.

6878567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 564480, while the sum is 47.

The square root of 6878567 is about 2622.7022324313. The cubic root of 6878567 is about 190.1805025195.

The spelling of 6878567 in words is "six million, eight hundred seventy-eight thousand, five hundred sixty-seven".